58 Pa. Code § 71a.8
It is unlawful to introduce, place or stock fish in waters that have been designated by the Commission as catch and release, wilderness trout or wild trout management waters except with the express written consent of the Executive Director or their designee. This section does not prohibit a person from returning fish unharmed to the waters from which they were caught or taken.
This section cited in 58 Pa. Code § 57.8a (relating to Class A wild trout streams); and 58 Pa. Code § 71a.5 (relating to Notice of Stocking to the Commission).